Shoe upper



FIG. 1 is a left elevation view of the shoe upper;

FIG. 2 is a right elevation view of the shoe upper;

FIG. 3 is a front elevation view of the shoe upper;

FIG. 4 is a rear elevation view of the shoe upper; and,

FIG. 5 is a top view of the shoe upper.

The broken line showing of the shoe sole in the figures is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a shoe upper, as shown and described. 